ASA642 is operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 26m. SkyMeter has observed 44 legs of this flight number via ADS-B.

FLIGHTS
44
last 90 days
AVG DURATION
2h 26m
tracked time
📅
SERVICE PERIOD
04/02/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
2 / 3
city pairs · airframes
INCIDENT RATE
11.4%
5 flagged

Routes flown

By count · last 90 days

1
38
avg 2h 30m · Seattle Tacoma → Denver

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
5
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of ASA642

30
05/31/2026
2h 50m
△ Unstable
05/21/2026
2h 27m
No alerts
05/17/2026
2h 34m
△ Unstable
05/02/2026
2h 46m
△ Unstable
04/20/2026
2h 33m
△ Unstable
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window